Chicago wheat fell on Friday but was on track to book a gain of more than 11% for July, the first monthly rise in three months, on mounting concerns over Black Sea supplies due to attacks by both Russia and Ukraine.
Ukrainian drones have attacked a sunflower oil export facility at Russia's port of Taman in the Kerch Strait, three agricultural market sources told Reuters on Thursday.
"Yesterday’s attack has made it less likely that grain shipments through this strait – which have been suspended since July 10 – will resume any time soon," Commerzbank analyst Carsten Fritsch said in a note.
Shipowners, insurers and exporters may become increasingly reluctant to operate in the region, lifting freight costs and slowing the movement of grain, Andrew Whitelaw at Australian agricultural consultancy Episode 3 said.